> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Rick Fochtman
>
> --------------------------<snip>------------------
> It's a very complex relationship and not always easily
> understood. When is a SLOT assigned? A FRAME? When is a page
> "STOLEN"? SWAPPING versus PAGING? Unless there's a really
> pressing need to know the intimate details, most folks treat
> the whole area as a "Black Box" and assume the management of
> real storage and auxilliary storage are accomplished by "FM"
> (Freakin' Magic). With advances in performance management,
> it's hardly worthwhile to worry about the intimate details
> and far more sensible to be concerned about overall storage
> performance. In the "good old days" of SRM, we built storage
> fences, worried about page rates for certain applications,
> etc. With Workload Management, it's far more sensible, in
> most cases, to be more concerned about overall workloads and
> less concerned about the smaller details.
But "theoretically", at least, the better one understands "how it
works", the more efficient one's code might become. And a better
understanding of "how it works" can enable one to "dazzle them with
brilliance" rather than try to "baffle them with bullsh*t". :-)
-jc-
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